Home / 56,110.68-84,179.75-18,670.68

Finding the Fourth Proportional to 56,110.68, 84,179.75 and 18,670.68

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Solution

The fourth proportional to 56,110.68, 84,179.75 and 18,670.68 is: 28,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.68 : 84,179.75 = 18,670.68 : x
  2. Step 2: Convert to fraction form
    56,110.68/84,179.75 = 18,670.68/x
  3. Step 3: Cross multiply
    56,110.68x = 84,179.75 × 18,670.68
  4. Step 4: Simplify right side
    56,110.68x = 1,571,693,081.38
  5. Step 5: Solve for x
    x = 1,571,693,081.38/56,110.68
  6. Step 6: Final answer
    x = 28,010.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.